diff --git a/book/figures/fig-liquid-starter-conversion.tex b/book/figures/fig-liquid-starter-conversion.tex
index 2954897..37fff5a 100644
--- a/book/figures/fig-liquid-starter-conversion.tex
+++ b/book/figures/fig-liquid-starter-conversion.tex
@@ -11,7 +11,7 @@
   \path [line] (ready_signs) -- node{no} (feed_again);
   \path [line] (ready_signs) -- node[above=2pt]{~yes} (last_feed);
   \path [line] (last_feed) -- node{after \qtyrange{6}{12}{\hour}} (bread_dough);
-  \draw [thick, ->] ($ (feed_again.north) +(0.7cm, 1cm)$) arc (-45:220:1cm);
-  \node [anchor=north, text width=5em] at ($(feed_again.north west)+(1.8cm, 2.3cm)$) {Repeat 3~times};
-  
+  % TODO: find a better way to position the Repeat 3 times text and arrow. Hard-coded values are finicky and don't work well across media.
+  \draw [line] ($ (feed_again.north) +(0.7cm, 1cm)$) arc (-45:220:1cm);
+  \node [anchor=north, text width=5em] at ($(feed_again.north west)+(1.55cm, 2.2cm)$) {Repeat 3~times};
 \end{tikzpicture}
diff --git a/book/figures/fig-stiff-starter-conversion.tex b/book/figures/fig-stiff-starter-conversion.tex
index c8d54a0..1a6d9ab 100644
--- a/book/figures/fig-stiff-starter-conversion.tex
+++ b/book/figures/fig-stiff-starter-conversion.tex
@@ -19,6 +19,7 @@
   \path [line] (too_dry) -- node{no} (next_day);
   \path [line] (too_dry) -- node{yes} (add_water);
   \path [line] (ready_signs) -- node{yes} (last_feed);
-  \draw [thick, <-] ($ (feed_again.east) +(2.1cm, 0.7cm)$) arc (-45:220:1cm);
-  \node [anchor=north, text width=5em] at ($(feed_again.east)+(2cm, 2cm)$) {Repeat 3~times};
+  % TODO: find a better way to position the Repeat 3 times text and arrow. Hard-coded values are finicky and don't work well across media.
+  \draw [line] ($ (feed_again.east) +(0.7cm, 0.9cm)$) arc (220:-45:1cm);
+  \node [anchor=north, text width=5em] at ($(feed_again.east)+(1.9cm, 2cm)$) {Repeat 3~times};
 \end{tikzpicture}
diff --git a/book/plots/fig-temperature-ambient.tex b/book/plots/fig-temperature-ambient.tex
index c3d876f..9ca4351 100644
--- a/book/plots/fig-temperature-ambient.tex
+++ b/book/plots/fig-temperature-ambient.tex
@@ -6,6 +6,7 @@
         major grid style={line width=.2pt,draw=gray!30},
         axis x line=middle,
         axis y line=middle,
+        axis line style={-Latex},
         width=\textwidth,
         height=0.5\textwidth,
         xmax=35, xmin=-0.1,
diff --git a/book/plots/fig-temperature-surface.tex b/book/plots/fig-temperature-surface.tex
index 8ddaf9e..a0a2090 100644
--- a/book/plots/fig-temperature-surface.tex
+++ b/book/plots/fig-temperature-surface.tex
@@ -6,6 +6,7 @@
         major grid style={line width=.2pt,draw=gray!30},
         axis x line=middle,
         axis y line=middle,
+        axis line style={-Latex},
         width=\textwidth,
         height=0.5\textwidth,
         xmax=35, xmin=-0.1,
diff --git a/book/plots/fig-yeast-sourdough-strength.tex b/book/plots/fig-yeast-sourdough-strength.tex
index defaa62..77c34a5 100644
--- a/book/plots/fig-yeast-sourdough-strength.tex
+++ b/book/plots/fig-yeast-sourdough-strength.tex
@@ -7,6 +7,7 @@
                 \qty{60}{\percent}~hydration},
         axis x line=middle,
         axis y line=middle,
+        axis line style={-Latex},
         width=\textwidth,
         height=0.5\textwidth,
         xmax=44, xmin=-0.1,